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All questions of Life Cycles of Flowering Plants for Class 5 Exam
What stage follows seed release in the life cycle of a flowering plant?- a) Plant growth
- b) Flowering
- c) Fruit production
- d) Seed germination
Correct answer is option 'D'. Can you explain this answer?
What stage follows seed release in the life cycle of a flowering plant?
a)
Plant growth
b)
Flowering
c)
Fruit production
d)
Seed germination
|
Muskaan Chopra answered |
Understanding the Life Cycle of a Flowering Plant
The life cycle of a flowering plant is a fascinating process that includes several stages. One critical phase that follows seed release is seed germination.
Seed Release
- After the process of pollination and fertilization, seeds are formed within the fruit of the flowering plant.
- Once mature, these seeds are released into the environment, often with the help of wind, water, or animals.
Importance of Seed Germination
- Initiation of Growth: Seed germination is the first step in the growth of a new plant. It marks the transition from a dormant seed to an active growing plant.
- Environmental Conditions: For germination to occur, seeds require specific conditions, such as moisture, warmth, and sometimes light. When these conditions are met, the seed absorbs water and begins to swell.
Stages of Germination
- Activation: The seed's metabolic processes are activated, leading to growth.
- Emergence: The embryonic root (radicle) emerges first, anchoring the plant and absorbing nutrients.
- Leaf Development: Following the root, the shoot (plumule) grows upward, eventually developing into the stem and leaves.
Conclusion
In summary, after seed release, the next stage in the life cycle of a flowering plant is indeed seed germination. This phase is crucial for the continuation of the plant species, as it leads to the growth of new plants that can eventually produce flowers and seeds themselves, continuing the cycle.
The life cycle of a flowering plant is a fascinating process that includes several stages. One critical phase that follows seed release is seed germination.
Seed Release
- After the process of pollination and fertilization, seeds are formed within the fruit of the flowering plant.
- Once mature, these seeds are released into the environment, often with the help of wind, water, or animals.
Importance of Seed Germination
- Initiation of Growth: Seed germination is the first step in the growth of a new plant. It marks the transition from a dormant seed to an active growing plant.
- Environmental Conditions: For germination to occur, seeds require specific conditions, such as moisture, warmth, and sometimes light. When these conditions are met, the seed absorbs water and begins to swell.
Stages of Germination
- Activation: The seed's metabolic processes are activated, leading to growth.
- Emergence: The embryonic root (radicle) emerges first, anchoring the plant and absorbing nutrients.
- Leaf Development: Following the root, the shoot (plumule) grows upward, eventually developing into the stem and leaves.
Conclusion
In summary, after seed release, the next stage in the life cycle of a flowering plant is indeed seed germination. This phase is crucial for the continuation of the plant species, as it leads to the growth of new plants that can eventually produce flowers and seeds themselves, continuing the cycle.
Which part of the flower is responsible for producing pollen?- a) Carpel
- b) Petal
- c) Sepal
- d) Stamen
Correct answer is option 'D'. Can you explain this answer?
Which part of the flower is responsible for producing pollen?
a)
Carpel
b)
Petal
c)
Sepal
d)
Stamen
|
Rahul Kumar answered |
The stamen is the male reproductive part of the flower and consists of the anther and filament. The anther is specifically responsible for producing pollen, which contains the male reproductive cells necessary for fertilization.
How do insect-pollinated flowers typically attract pollinators?- a) By producing nectar
- b) By having no scent
- c) With small, inconspicuous flowers
- d) Through large, dull petals
Correct answer is option 'A'. Can you explain this answer?
How do insect-pollinated flowers typically attract pollinators?
a)
By producing nectar
b)
By having no scent
c)
With small, inconspicuous flowers
d)
Through large, dull petals
|
Stoneridge Institute answered |
Insect-pollinated flowers attract pollinators primarily by producing nectar, a sweet liquid that serves as food for insects. Additionally, they often have bright colors and pleasant scents to draw in pollinators, making them more effective in facilitating pollination.
What is the process called when a seed begins to grow?- a) Fertilization
- b) Dispersal
- c) Pollination
- d) Germination
Correct answer is option 'D'. Can you explain this answer?
What is the process called when a seed begins to grow?
a)
Fertilization
b)
Dispersal
c)
Pollination
d)
Germination
|
|
Stoneridge Institute answered |
Germination is the process where a seed begins to grow and develop into a new plant. This process starts when the seed absorbs water, swells, and breaks through its seed coat, marking the beginning of its life cycle.
What is the main role of flowers in flowering plants?- a) To facilitate the formation of fruits and seeds
- b) To produce seeds only
- c) To provide shade for the plant
- d) To absorb sunlight for photosynthesis
Correct answer is option 'A'. Can you explain this answer?
What is the main role of flowers in flowering plants?
a)
To facilitate the formation of fruits and seeds
b)
To produce seeds only
c)
To provide shade for the plant
d)
To absorb sunlight for photosynthesis
|
|
Stoneridge Institute answered |
Flowers primarily play a critical role in the reproduction of flowering plants by facilitating the formation of fruits and seeds. They attract pollinators, which are essential for the process of pollination, where pollen is transferred from the male parts to the female parts of the flower, leading to fertilization and the eventual development of seeds within fruits.
What is a unique characteristic of wind-dispersed seeds?- a) They require soil to germinate
- b) They are lightweight and aerodynamic
- c) They are large and heavy
- d) They float on water
Correct answer is option 'B'. Can you explain this answer?
What is a unique characteristic of wind-dispersed seeds?
a)
They require soil to germinate
b)
They are lightweight and aerodynamic
c)
They are large and heavy
d)
They float on water
|
|
Stoneridge Institute answered |
Wind-dispersed seeds are typically lightweight and have aerodynamic structures that allow them to be carried easily by the wind. This adaptation helps them travel long distances, increasing the chances of germination in suitable environments.
What is the main challenge for seedlings if seeds are not dispersed?- a) They will have more access to nutrients
- b) They will grow faster
- c) They may compete for limited resources
- d) They will receive more sunlight
Correct answer is option 'C'. Can you explain this answer?
What is the main challenge for seedlings if seeds are not dispersed?
a)
They will have more access to nutrients
b)
They will grow faster
c)
They may compete for limited resources
d)
They will receive more sunlight
|
|
Stoneridge Institute answered |
If seeds are not dispersed, seedlings may compete for limited resources such as light, water, and nutrients in a small area. This competition can hinder their growth and survival, making dispersal an important process for the success of new plants.
What type of plants do not produce flowers?- a) Trees
- b) Cacti
- c) Ferns and mosses
- d) Flowering plants
Correct answer is option 'C'. Can you explain this answer?
What type of plants do not produce flowers?
a)
Trees
b)
Cacti
c)
Ferns and mosses
d)
Flowering plants
|
|
Stoneridge Institute answered |
Non-flowering plants include groups such as ferns, mosses, and gymnosperms like pine trees. These plants reproduce using spores instead of seeds or produce seeds contained within cones, making them distinct from flowering plants that produce flowers for reproduction.
What adaptations do fruits dispersed by water have?- a) Thick, heavy skins
- b) Strong scents to lure animals
- c) Spongy coverings for buoyancy
- d) Bright colors to attract insects
Correct answer is option 'C'. Can you explain this answer?
What adaptations do fruits dispersed by water have?
a)
Thick, heavy skins
b)
Strong scents to lure animals
c)
Spongy coverings for buoyancy
d)
Bright colors to attract insects
|
Tutorpedia Coaching answered |
Fruits that are dispersed by water typically have spongy coverings that aid in buoyancy, allowing them to float and travel across bodies of water. This adaptation helps ensure that seeds can reach new areas for germination.
Why is pollination essential for flowering plants?- a) It helps plants grow taller
- b) It promotes leaf development
- c) It enables fertilization
- d) It prevents seed dispersal
Correct answer is option 'C'. Can you explain this answer?
Why is pollination essential for flowering plants?
a)
It helps plants grow taller
b)
It promotes leaf development
c)
It enables fertilization
d)
It prevents seed dispersal
|
|
Stoneridge Institute answered |
Pollination is essential for flowering plants because it enables the process of fertilization, where pollen combines with eggs in the ovary to form seeds. This step is vital for the reproduction and genetic diversity of plant species.
What is the primary method of pollination for wind-pollinated plants?- a) Self-pollination
- b) Movement of pollen by wind
- c) Transfer of pollen by water
- d) Attraction of insects
Correct answer is option 'B'. Can you explain this answer?
What is the primary method of pollination for wind-pollinated plants?
a)
Self-pollination
b)
Movement of pollen by wind
c)
Transfer of pollen by water
d)
Attraction of insects
|
|
Stoneridge Institute answered |
Wind pollination involves the transfer of pollen grains by air currents from the anthers of one flower to the stigmas of another flower. Wind-pollinated plants typically produce large quantities of lightweight pollen that can travel significant distances through the air.
Which of the following adaptations do fruits have for animal dispersal?- a) Bright colors and juiciness
- b) Inconspicuous appearance
- c) Small size and weight
- d) Hard and tough skin
Correct answer is option 'A'. Can you explain this answer?
Which of the following adaptations do fruits have for animal dispersal?
a)
Bright colors and juiciness
b)
Inconspicuous appearance
c)
Small size and weight
d)
Hard and tough skin
|
|
Stoneridge Institute answered |
Fruits adapted for animal dispersal are often colorful and juicy, making them appealing for animals to eat. This encourages consumption, and the seeds are later dispersed through the animals' droppings, which can be deposited far from the parent plant.
What is the purpose of sepals in a flower?- a) To protect the flower bud
- b) To create nectar
- c) To attract pollinators
- d) To produce pollen
Correct answer is option 'A'. Can you explain this answer?
What is the purpose of sepals in a flower?
a)
To protect the flower bud
b)
To create nectar
c)
To attract pollinators
d)
To produce pollen
|
|
Stoneridge Institute answered |
Sepals serve the purpose of protecting the flower bud before it opens. They are typically small green leaves that enclose and safeguard the developing flower, preventing damage from environmental factors.
What is the function of fruits in flowering plants?- a) To provide shade
- b) To attract animals
- c) To absorb carbon dioxide
- d) To protect seeds and aid in their dispersal
Correct answer is option 'D'. Can you explain this answer?
What is the function of fruits in flowering plants?
a)
To provide shade
b)
To attract animals
c)
To absorb carbon dioxide
d)
To protect seeds and aid in their dispersal
|
Torcia Education answered |
Fruits serve two primary functions: they protect the seeds contained within and facilitate their dispersal away from the parent plant. This dispersal helps ensure that new plants can grow in varied environments, reducing competition for resources.
Chapter doubts & questions for Life Cycles of Flowering Plants - Year 5 Science IGCSE (Cambridge) 2025 is part of Class 5 exam preparation. The chapters have been prepared according to the Class 5 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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